HD4870 and Mech demo from ATI/AMD = Fail ?

sweeper · Apr 17, 2010

So I downloaded the MECH demo from AMD/ATI site and went to run it and I get an error message:

Why is it I can play games or other Demo's that require DX11 (Heaven Benchmark) I can run in both DX10/11 but when I run this demo I get this error. Does this mean any future games that are DX11 I will not be able to run?

Fourstaff · Apr 17, 2010

It says it require Direct 3D 11 which I assume comes with the DX11. Your card is not DX11 capable, so it couldn't run. This is probably a DX11 only software. As for future games, I can say with enough confidence that in the next few years, game devs will not drop DX9/10 just yet, because there are too many people using them and a lot of profits will be put to waste. That said though, some might just develop games for DX11 only so I cannot guarantee you to be able to play every single game which comes out.

sweeper · Apr 17, 2010

Weird as the Heaven benchmark/Demo I can put in DX11 and it runs? OPENGL runs, DX10 runs. But this is the only DEMO that hasn't run on my card. I guess it must be ALL DX11 software based.

DriedFrogPills · Apr 17, 2010

heaven will run as it ha a dx10 render path you just won't get the tesselation. And i was pretty sure the mecha demo was a DX11 demo so there is really no reason for it to have a dx9/10 render path

Rapidfire48 · Apr 17, 2010

It states it is for 5000 series gpu's .

TVman · Apr 17, 2010

RejZoR · Apr 17, 2010

You can have a Direct3D 11 renderer that works on HD4870. But only if it's not using D3D 11 hardware features. Mech demo is using mostly D3D 11 features (it's a tech demo for a reason), that's why it's not working on your system. As simple as that.

sweeper · Apr 17, 2010

Figured as much.

TVman - I hate your avatar.... lol J/K

Mussels · Apr 17, 2010

many DX11 apps revert to DX10 paths if DX11 hardware isnt present.

just like how DX9.0C (SM3.0) titles reverted to SM2.0 for years, and to 1.4 before that.

sweeper · Apr 17, 2010

Mussels said:
many DX11 apps revert to DX10 paths if DX11 hardware isnt present.

just like how DX9.0C (SM3.0) titles reverted to SM2.0 for years, and to 1.4 before that.

I was hoping that's what it would do but it must really want that DX11 Hardware. :cry:

Mussels · Apr 17, 2010

sweeper said:
I was hoping that's what it would do but it must really want that DX11 Hardware.

well its hardly a showcase of DX11 tech if you run it in DX10...

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Memory	Kingston Hyper X DDR2 1066 2X2 - 4GB
Video Card(s)	SAPPHIRE Radeon HD4870 1GB 256-bit GDDR5
Storage	Western Digital 500GB SATAII Black / Western Digital My Book Essential External HDD 1TB
Display(s)	Soyo 22" LCD / Vizio 32" LCD
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Power Supply	Antec Basiq 550W Plus Modular
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HD4870 and Mech demo from ATI/AMD = Fail ?

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